Understand common causes and solutions

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LINE call problems are caused by a number of common causes , each with its own specific solution. Important troubleshooting mexico mobile database include checking your camera and microphone permissions, checking your Internet connection stability, updating LINE to the latest version, restarting both the app and your device, and disabling any VPN or proxy that may be interfering.

Check user rights
One of the most common causes of LINE call issues is incorrect permission settings. To fix this, try checking and adjusting the app's permission settings on your device. This table shows important permissions and the impact if they're disabled:

right objective Impact if closed
microphone Receive audio signal No sound during calls
camera Video Call Unable to send video
Storage space Share media Unable to send file
Contact List Friends list Unable to access list
telephone Call function Unable to make calls
Check your internet connection
For smooth LINE calls , a stable internet connection is required. Try testing your connection by opening another app or browser. If you are using mobile internet, try changing to Wi-Fi or a more stable network.

For those using Wi-Fi, try resetting your router or connecting to a different network. Also, turn off any VPNs or proxies that may interfere with the app . Also, make sure you have enough bandwidth for video calls.

Update the LINE app
There are three main causes of LINE call issues that are often resolved by updating the app. Older versions may have bugs, compatibility issues, or lack the latest security updates.

How to update LINE:

Open the app store (Google Play or App Store)
Search for “LINE”
If there is an update, press the “Update” button.
Once the update is complete, restart the app.
This step will help the app work at its best and fix a lot of call issues.